Home / 920,461.52-1,270,196.04-512,584.40

Finding the Fourth Proportional to 920,461.52, 1,270,196.04 and 512,584.40

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Solution

The fourth proportional to 920,461.52, 1,270,196.04 and 512,584.40 is: 707,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,461.52 : 1,270,196.04 = 512,584.40 : x
  2. Step 2: Convert to fraction form
    920,461.52/1,270,196.04 = 512,584.40/x
  3. Step 3: Cross multiply
    920,461.52x = 1,270,196.04 × 512,584.40
  4. Step 4: Simplify right side
    920,461.52x = 651,082,675,045.78
  5. Step 5: Solve for x
    x = 651,082,675,045.78/920,461.52
  6. Step 6: Final answer
    x = 707,343.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.